Division Pteridophyta
Division Pteridophyta: Overview
This Topic covers sub-topics such as Pteridophyta, Life Cycle of Pteridophytes, Classification of Pteridophytes, Seed Habit in Pteridophytes, Gametophytes of Pteridophytes, Morphology of Pteridophytes, Habitat of Pteridophytes and, Heterosporous Plants
Important Questions on Division Pteridophyta
In which of the following would you place the plants having vascular tissue lacking seeds?
Match column-I with column-II and choose the correct option:
| Column-I | Column-II | ||
| A. | Phaeophyceae | I. | Funaria, Sphagnum |
| B. | Rhodophyceae | II. | Equisetum, Pteris |
| C. | Pteridophytes | III. | Ectocarpus, Laminaria |
| D. | Bryophytes | IV. | Polysiphonia, Gracilaria |
Pteridophytes differ from mosses/bryophytes in possessing:
A mature ligule, having a prominent basal portion, is called
Prothallus (gametophyte) gives rise to fern plant (sporophyte) without fertilization. This method is called:
There are two plants in the given figure. Identify them and choose the correct option:
Plant body of a Selaginella/Dryopteris is:
Free living thalloid gametophytes of many ferns are called as
Match the following list- with list- and select the option with correct matching.
| List- | List- | ||
| A. | Protonema | Useful in spore dispersal | |
| B. | Circinate venation | Coiling of young leaves in Pteridophytes | |
| C. | Elaters | Storage food in Rhodophyceae | |
| D. | Floridean starch | Juvenile stage of Bryophytes | |
| Storage food in Chlorophyceae |
Which one of the following is considered important in the development of seed habit?
**Formatting was changed.**
Assertion : Adiantum caudatum is a walking fern.
Reason : Adiantum grows vegetatively by their leaf tips.
Meiosis (reduction division) in pteridophytes takes place at the time of
Well developed archegonium with neck consisting of rows of neck cells characterises
Assertion : Coenosorus lacks true indusium.
Reason : Indusium covers sori.
If sperms of moss and fern are put together near the archegonium of fern, only the sperms of fern find entry into archegonium. What is the reason for this?
